Mounting base for relay protector

The utility model discloses a mounting base for a relay protector. The device comprises guide rails and a sliding pinch plate, three sets of mounting holes distributed at equal intervals are horizontally formed in the middle of an inner cavity of the guide rail in the length direction of the guide rail, mounting bolts are fixedly connected into the mounting holes, multiple sets of limiting protruding blocks distributed at equal intervals are vertically and fixedly connected to the upper portion and the lower portion of the left side of the inner wall of the guide rail in the length direction of the guide rail, and the sliding buckle plate is slidably connected with the guide rail. A plurality of sets of limiting protruding blocks distributed at equal intervals are vertically and fixedly connected to the upper portion and the lower portion of the left side of the inner wall of the guide rail in the length direction of the guide rail. Limiting groove pieces matched with the limiting protruding blocks are fixedl